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<p><a class="el" href="class_qwt_point3_d.html" title="QwtPoint3D class defines a 3D point in double coordinates. ">QwtPoint3D</a> class defines a 3D point in double coordinates.  
 <a href="class_qwt_point3_d.html#details">More...</a></p>

<p><code>#include &lt;<a class="el" href="qwt__point__3d_8h_source.html">qwt_point_3d.h</a>&gt;</code></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:acd7ec5a157397ce719225592b32cc510"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point3_d.html#acd7ec5a157397ce719225592b32cc510">QwtPoint3D</a> ()</td></tr>
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<tr class="memitem:a33b9fa088b750e1f4ded65c23fb62868"><td class="memItemLeft" align="right" valign="top"><a id="a33b9fa088b750e1f4ded65c23fb62868"></a>
&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point3_d.html#a33b9fa088b750e1f4ded65c23fb62868">QwtPoint3D</a> (double <a class="el" href="class_qwt_point3_d.html#ac0aeba53b7fb6c297b51b8d123699c1f">x</a>, double <a class="el" href="class_qwt_point3_d.html#a2de6393c8dca6befa27098c8e7db552e">y</a>, double <a class="el" href="class_qwt_point3_d.html#a0741e74f4f553e99e6abbc18aa7d541c">z</a>)</td></tr>
<tr class="memdesc:a33b9fa088b750e1f4ded65c23fb62868"><td class="mdescLeft">&#160;</td><td class="mdescRight">Constructs a point with coordinates specified by x, y and z. <br /></td></tr>
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<tr class="memitem:a3847545c69e11d4c33891c5d9218afee"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point3_d.html#a3847545c69e11d4c33891c5d9218afee">QwtPoint3D</a> (const <a class="el" href="class_qwt_point3_d.html">QwtPoint3D</a> &amp;)</td></tr>
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<tr class="memitem:a6747ac88e709543e57fc285e84181f49"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point3_d.html#a6747ac88e709543e57fc285e84181f49">QwtPoint3D</a> (const QPointF &amp;)</td></tr>
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<tr class="memitem:af7a0291c9ff021e4424d5e1026917cb0"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point3_d.html#af7a0291c9ff021e4424d5e1026917cb0">isNull</a> () const</td></tr>
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<tr class="memitem:ac0aeba53b7fb6c297b51b8d123699c1f"><td class="memItemLeft" align="right" valign="top">double&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point3_d.html#ac0aeba53b7fb6c297b51b8d123699c1f">x</a> () const</td></tr>
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<tr class="memitem:a2de6393c8dca6befa27098c8e7db552e"><td class="memItemLeft" align="right" valign="top">double&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point3_d.html#a2de6393c8dca6befa27098c8e7db552e">y</a> () const</td></tr>
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<tr class="memitem:a0741e74f4f553e99e6abbc18aa7d541c"><td class="memItemLeft" align="right" valign="top">double&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point3_d.html#a0741e74f4f553e99e6abbc18aa7d541c">z</a> () const</td></tr>
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<tr class="memitem:a99ae15c21e43fac2c4b8755111b03ad0"><td class="memItemLeft" align="right" valign="top">double &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point3_d.html#a99ae15c21e43fac2c4b8755111b03ad0">rx</a> ()</td></tr>
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<tr class="memitem:ab0894c41fdb85dcc7affe38acf33f48d"><td class="memItemLeft" align="right" valign="top">double &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point3_d.html#ab0894c41fdb85dcc7affe38acf33f48d">ry</a> ()</td></tr>
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<tr class="memitem:af76eb9c617ea48ab1050a79bac1d90eb"><td class="memItemLeft" align="right" valign="top">double &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point3_d.html#af76eb9c617ea48ab1050a79bac1d90eb">rz</a> ()</td></tr>
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void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point3_d.html#afe85919187fd62bc3db082d1e2b17bac">setX</a> (double <a class="el" href="class_qwt_point3_d.html#ac0aeba53b7fb6c297b51b8d123699c1f">x</a>)</td></tr>
<tr class="memdesc:afe85919187fd62bc3db082d1e2b17bac"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sets the x-coordinate of the point to the value specified by x. <br /></td></tr>
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void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point3_d.html#a986ba13d44e6960b4fb72795be4ff66a">setY</a> (double <a class="el" href="class_qwt_point3_d.html#a2de6393c8dca6befa27098c8e7db552e">y</a>)</td></tr>
<tr class="memdesc:a986ba13d44e6960b4fb72795be4ff66a"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sets the y-coordinate of the point to the value specified by y. <br /></td></tr>
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void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point3_d.html#ae4bed4f5b955843dcf92302b16799e8b">setZ</a> (double <a class="el" href="class_qwt_point3_d.html#a2de6393c8dca6befa27098c8e7db552e">y</a>)</td></tr>
<tr class="memdesc:ae4bed4f5b955843dcf92302b16799e8b"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sets the z-coordinate of the point to the value specified by z. <br /></td></tr>
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<tr class="memitem:afe791f507fa07860314ceefa04974629"><td class="memItemLeft" align="right" valign="top">QPointF&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point3_d.html#afe791f507fa07860314ceefa04974629">toPoint</a> () const</td></tr>
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<tr class="memitem:a0a07c83b1ab36084143e6bfa46dc4676"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point3_d.html#a0a07c83b1ab36084143e6bfa46dc4676">operator==</a> (const <a class="el" href="class_qwt_point3_d.html">QwtPoint3D</a> &amp;) const</td></tr>
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<tr class="memitem:a54dde2686323a4620bf98a67b42620aa"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point3_d.html#a54dde2686323a4620bf98a67b42620aa">operator!=</a> (const <a class="el" href="class_qwt_point3_d.html">QwtPoint3D</a> &amp;) const</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p><a class="el" href="class_qwt_point3_d.html" title="QwtPoint3D class defines a 3D point in double coordinates. ">QwtPoint3D</a> class defines a 3D point in double coordinates. </p>
</div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
<a id="acd7ec5a157397ce719225592b32cc510"></a>
<h2 class="memtitle"><span class="permalink"><a href="#acd7ec5a157397ce719225592b32cc510">&#9670;&nbsp;</a></span>QwtPoint3D() <span class="overload">[1/3]</span></h2>

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<p>Constructs a null point. </p><dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_point3_d.html#af7a0291c9ff021e4424d5e1026917cb0">isNull()</a> </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a3847545c69e11d4c33891c5d9218afee">&#9670;&nbsp;</a></span>QwtPoint3D() <span class="overload">[2/3]</span></h2>

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          <td class="paramtype">const <a class="el" href="class_qwt_point3_d.html">QwtPoint3D</a> &amp;&#160;</td>
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<p>Copy constructor. Constructs a point using the values of the point specified. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a6747ac88e709543e57fc285e84181f49">&#9670;&nbsp;</a></span>QwtPoint3D() <span class="overload">[3/3]</span></h2>

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          <td class="paramtype">const QPointF &amp;&#160;</td>
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<p>Constructs a point with x and y coordinates from a 2D point, and a z coordinate of 0. </p>

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<h2 class="groupheader">Member Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#af7a0291c9ff021e4424d5e1026917cb0">&#9670;&nbsp;</a></span>isNull()</h2>

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<dl class="section return"><dt>Returns</dt><dd>True if the point is null; otherwise returns false.</dd></dl>
<p>A point is considered to be null if x, y and z-coordinates are equal to zero. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a54dde2686323a4620bf98a67b42620aa">&#9670;&nbsp;</a></span>operator!=()</h2>

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          <td class="paramtype">const <a class="el" href="class_qwt_point3_d.html">QwtPoint3D</a> &amp;&#160;</td>
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<dl class="section return"><dt>Returns</dt><dd>True if this rect and other are different; otherwise returns false. </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a0a07c83b1ab36084143e6bfa46dc4676">&#9670;&nbsp;</a></span>operator==()</h2>

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<dl class="section return"><dt>Returns</dt><dd>True, if this point and other are equal; otherwise returns false. </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a99ae15c21e43fac2c4b8755111b03ad0">&#9670;&nbsp;</a></span>rx()</h2>

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<dl class="section return"><dt>Returns</dt><dd>A reference to the x-coordinate of the point. </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#ab0894c41fdb85dcc7affe38acf33f48d">&#9670;&nbsp;</a></span>ry()</h2>

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<dl class="section return"><dt>Returns</dt><dd>A reference to the y-coordinate of the point. </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#af76eb9c617ea48ab1050a79bac1d90eb">&#9670;&nbsp;</a></span>rz()</h2>

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          <td class="memname">double &amp; QwtPoint3D::rz </td>
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<dl class="section return"><dt>Returns</dt><dd>A reference to the z-coordinate of the point. </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#afe791f507fa07860314ceefa04974629">&#9670;&nbsp;</a></span>toPoint()</h2>

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<dl class="section return"><dt>Returns</dt><dd>2D point, where the z coordinate is dropped. </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#ac0aeba53b7fb6c297b51b8d123699c1f">&#9670;&nbsp;</a></span>x()</h2>

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<dl class="section return"><dt>Returns</dt><dd>The x-coordinate of the point. </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a2de6393c8dca6befa27098c8e7db552e">&#9670;&nbsp;</a></span>y()</h2>

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<dl class="section return"><dt>Returns</dt><dd>The y-coordinate of the point. </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a0741e74f4f553e99e6abbc18aa7d541c">&#9670;&nbsp;</a></span>z()</h2>

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<dl class="section return"><dt>Returns</dt><dd>The z-coordinate of the point. </dd></dl>

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